From 8b3a6b651e267e5e6e68a3bd0aabd8ee90eb1aac Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Mon, 19 Jul 2010 17:53:55 +0000 Subject: [PATCH] Fix PR 7662. Do not try to insert local variable info to a DIE used for function declaration. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108731 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 1 + test/DebugInfo/2010-07-19-Crash.ll | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+) create mode 100644 test/DebugInfo/2010-07-19-Crash.ll diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 65c1d190216..d891ce8a475 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -2032,6 +2032,7 @@ void DwarfDebug::endModule() { if (!SP.Verify()) continue; // Collect info for variables that were optimized out. + if (!SP.isDefinition()) continue; StringRef FName = SP.getLinkageName(); if (FName.empty()) FName = SP.getName(); diff --git a/test/DebugInfo/2010-07-19-Crash.ll b/test/DebugInfo/2010-07-19-Crash.ll new file mode 100644 index 00000000000..87a4a8955a3 --- /dev/null +++ b/test/DebugInfo/2010-07-19-Crash.ll @@ -0,0 +1,24 @@ +; RUN: llc -o /dev/null < %s +; PR7662 +; Do not add variables to !11 because it is a declaration entry. + +define i32 @bar() nounwind readnone ssp { +entry: + ret i32 42, !dbg !9 +} + +!llvm.dbg.sp = !{!0, !6, !11} +!llvm.dbg.lv.foo = !{!7} + +!0 = metadata !{i32 524334, i32 0, metadata !1, metadata !"bar", metadata !"bar", metadata !"bar", metadata !1, i32 3, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, i32 ()* @bar} ; [ DW_TAG_subprogram ] +!1 = metadata !{i32 524329, metadata !"one.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ] +!2 = metadata !{i32 524305, i32 0, i32 12, metadata !"one.c", metadata !".", metadata !"clang 2.8", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ] +!3 = metadata !{i32 524309, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ] +!4 = metadata !{metadata !5} +!5 = metadata !{i32 524324, metadata !1, metadata !"int", metadata !1, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] +!6 = metadata !{i32 524334, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", metadata !1, i32 7, metadata !3, i1 true, i1 true, i32 0, i32 0, null, i1 false, i1 true, null} ; [ DW_TAG_subprogram ] +!11 = metadata !{i32 524334, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", metadata !1, i32 7, metadata !3, i1 true, i1 false, i32 0, i32 0, null, i1 false, i1 true, null} ; [ DW_TAG_subprogram ] +!7 = metadata !{i32 524544, metadata !8, metadata !"one", metadata !1, i32 8, metadata !5} ; [ DW_TAG_auto_variable ] +!8 = metadata !{i32 524299, metadata !6, i32 7, i32 18} ; [ DW_TAG_lexical_block ] +!9 = metadata !{i32 4, i32 3, metadata !10, null} +!10 = metadata !{i32 524299, metadata !0, i32 3, i32 11} ; [ DW_TAG_lexical_block ] -- 2.34.1